MARTENS Krzysztof · ERA
vs par split: bidding +0.04 · play +0.33
Strength of schedule: opponents averaged -0.20/bd (an easy draw) → opponent-adjusted +0.48/bd
Card play — on target: opening leads 80.0% · declarer play 76.2% · defence 90.6%
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 100.0% (4) | 72.7% (11) |
| Declarer play | 71.4% (7) | 78.6% (14) |
| Defence | 81.8% (11) | 95.2% (21) |
Opening leads by suit led: ♠ 100.0% (4) · ♥ 83.3% (6) · ♦ 66.7% (3) · ♣ 50.0% (2)
vs par by strain: NT +0.25 (24) · a suit +0.43 (46)
vs par by level: part-score -0.65 (17) · game +0.71 (49) · slam +0.50 (4)
By role: declaring +1.01/bd (-1.53 vs par · 38) · defending +0.30/bd (+2.62 vs par · 32)
By vulnerability: vulnerable +0.16/bd (-1.26 vs par · 35) · not vulnerable +1.21/bd (+2.00 vs par · 35)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round of 32 | D.Filipowicz | J.Shih – P.Wang | Closed | 14 | +19.9 | +1.42 | +1.71 |
| Round of 32 | D.Filipowicz | D.Chen – Y.Zhang | Open | 14 | +32.7 | +2.34 | -0.21 |
| Round of 16 | D.Filipowicz | G.Duboin – Z.Mahmood | Closed | 14 | +3.9 | +0.28 | -0.57 |
| Round of 16 | D.Filipowicz | E.Muzzio – A.Bianchedi | Closed | 14 | +7.0 | +0.50 | +2.86 |
| Round of 16 | D.Filipowicz | A.Madala – N.Bocchi | Closed | 14 | -15.5 | -1.11 | -1.93 |
Every board — best Butler first↑ top
vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +13.4 | Round of 16 | LAVAZZA | 36 | 4♥x | ♣A | -3 | +14 |
| +9.9 | Round of 32 | YEH MIX | 37 | 3NT | ♠4 | +1 | +0 |
| +8.6 | Round of 32 | YEH MIX | 28 | 4♥ | ♠2 | -1 | +10 |
| +6.5 | Round of 32 | YEH MIX | 15 | 4♥ | ♣Q | = | -1 |
| +6.0 | Round of 32 | YEH MIX | 17 | 3NT | ♥3 | = | +0 |
| +5.4 | Round of 32 | YEH MIX | 42 | 4♠ | ♣K | = | +0 |
| +5.4 | Round of 16 | LAVAZZA | 6 | 3NT | ♦A | -4 | +11 |
| +5.4 | Round of 16 | LAVAZZA | 9 | 5♦x | ♠3 | +1 | -9 |
| +5.2 | Round of 16 | LAVAZZA | 27 | 6♥ | ♠A | = | +15 |
| +4.6 | Round of 32 | YEH MIX | 33 | 3NT | ♥J | -1 | +12 |
| +4.4 | Round of 32 | YEH MIX | 40 | 3NT | ♠7 | +1 | +0 |
| +4.1 | Round of 32 | YEH MIX | 20 | 3NT | ♠7 | +4 | +2 |
| +4.1 | Round of 32 | YEH MIX | 22 | 3NT | ♠3 | -1 | +6 |
| +4.1 | Round of 16 | LAVAZZA | 25 | 3NT | ♠3 | = | +6 |
| +3.8 | Round of 32 | YEH MIX | 24 | 4♠ | ♣A | = | +0 |
| +3.7 | Round of 16 | LAVAZZA | 8 | 4♦ | ♥K | = | +0 |
| +3.5 | Round of 32 | YEH MIX | 36 | 4♠x | ♥4 | -3 | +2 |
| +3.4 | Round of 16 | LAVAZZA | 17 | 1NT | ♥3 | = | +5 |
| +3.1 | Round of 32 | YEH MIX | 34 | 3NT | ♣10 | -2 | +5 |
| +2.7 | Round of 32 | YEH MIX | 35 | 3♦ | ♥2 | = | +6 |
| +2.5 | Round of 32 | YEH MIX | 23 | 4♠ | ♦2 | = | +0 |
| +2.5 | Round of 16 | LAVAZZA | 3 | 4♠ | ♦3 | +1 | +0 |
| +2.4 | Round of 16 | LAVAZZA | 24 | 3NT | ♠Q | +1 | -13 |
| +2.3 | Round of 32 | YEH MIX | 29 | 3NT | ♠10 | +3 | -11 |
| +2.1 | Round of 32 | YEH MIX | 38 | 3NT | ♥7 | -1 | +5 |
| +2.1 | Round of 16 | LAVAZZA | 31 | 2♠ | ♣J | = | +5 |
| +2.0 | Round of 16 | LAVAZZA | 39 | 4♠x | ♣3 | +1 | +6 |
| +1.9 | Round of 16 | LAVAZZA | 13 | 5♦x | ♣A | -1 | +0 |
| +1.8 | Round of 32 | YEH MIX | 32 | 3NT | ♥10 | +3 | -13 |
| +1.8 | Round of 16 | LAVAZZA | 38 | 3♠ | ♦A | -1 | +4 |
| +1.4 | Round of 16 | LAVAZZA | 15 | 4♥ | ♥3 | -2 | +5 |
| +1.1 | Round of 32 | YEH MIX | 16 | 4♥ | ♣J | +1 | +1 |
| +1.1 | Round of 16 | LAVAZZA | 20 | 3NT | ♠6 | +2 | +0 |
| +1.0 | Round of 16 | LAVAZZA | 41 | 3♦ | ♥3 | +2 | +7 |
| +0.9 | Round of 16 | LAVAZZA | 5 | 3NT | ♠J | = | +1 |
| +0.9 | Round of 16 | LAVAZZA | 14 | 3NT | ♠5 | +1 | +1 |
| +0.9 | Round of 16 | LAVAZZA | 16 | 3♠ | ♥J | +1 | +6 |
| +0.5 | Round of 16 | LAVAZZA | 18 | 4♥ | ♠9 | = | +0 |
| +0.5 | Round of 16 | LAVAZZA | 30 | 4♠ | ♣J | +2 | -11 |
| +0.5 | Round of 16 | LAVAZZA | 32 | 4♣ | ♠Q | -1 | -6 |
| +0.4 | Round of 16 | LAVAZZA | 1 | 3NT | ♣6 | +1 | +1 |
| +0.3 | Round of 32 | YEH MIX | 27 | 4♥ | ♦A | = | +0 |
| +0.3 | Round of 16 | LAVAZZA | 21 | 3NT | ♠3 | -1 | +5 |
| +0.3 | Round of 16 | LAVAZZA | 29 | 4♠ | ♣8 | = | +1 |
| +0.2 | Round of 16 | LAVAZZA | 10 | 4♥ | ♠Q | = | +0 |
| +0.1 | Round of 16 | LAVAZZA | 22 | 2♥ | ♣10 | = | -5 |
| +0.0 | Round of 16 | LAVAZZA | 12 | 3♦ | ♠9 | = | +0 |
| +0.0 | Round of 16 | LAVAZZA | 19 | 2♣ | ♦J | -3 | +3 |
| -0.1 | Round of 32 | YEH MIX | 31 | 2♠ | ♦5 | = | +0 |
| -0.1 | Round of 16 | LAVAZZA | 11 | 3NT | ♥3 | +1 | +1 |
| -1.9 | Round of 32 | YEH MIX | 30 | 4♠ | ♥2 | = | -3 |
| -2.4 | Round of 32 | YEH MIX | 18 | 4♠ | ♠3 | = | +1 |
| -2.5 | Round of 32 | YEH MIX | 41 | 3NT | ♠Q | +3 | -1 |
| -2.6 | Round of 32 | YEH MIX | 39 | 2♠ | ♦2 | = | -5 |
| -2.6 | Round of 16 | LAVAZZA | 28 | 4♠ | ♥2 | +1 | +11 |
| -2.6 | Round of 16 | LAVAZZA | 37 | 3NT | ♦Q | -1 | -6 |
| -2.6 | Round of 16 | LAVAZZA | 40 | 2♦ | ♥3 | = | -5 |
| -2.7 | Round of 32 | YEH MIX | 21 | 3NT | ♥3 | = | +0 |
| -3.1 | Round of 16 | LAVAZZA | 23 | 6♦x | ♣K | -6 | +13 |
| -3.5 | Round of 32 | YEH MIX | 26 | 3♣ | ♦J | +2 | -10 |
| -4.2 | Round of 32 | YEH MIX | 19 | 4♥ | ♣J | -1 | +2 |
| -4.3 | Round of 32 | YEH MIX | 25 | 5♠ | ♣J | = | +13 |
| -4.5 | Round of 16 | LAVAZZA | 42 | 4♠ | ♥3 | = | +0 |
| -4.8 | Round of 16 | LAVAZZA | 2 | 4♠ | ♦3 | = | +1 |
| -5.7 | Round of 16 | LAVAZZA | 35 | 6♠ | ♣J | -1 | -13 |
| -5.9 | Round of 16 | LAVAZZA | 7 | 1♠ | ♦A | -1 | -6 |
| -6.6 | Round of 16 | LAVAZZA | 4 | 4♠ | ♦10 | -3 | -9 |
| -6.7 | Round of 16 | LAVAZZA | 26 | 3NT | ♥J | -2 | -11 |
| -9.5 | Round of 16 | LAVAZZA | 33 | 3♥ | ♣3 | -1 | -10 |
| -12.2 | Round of 16 | LAVAZZA | 34 | 6♠ | ♣K | = | -13 |